package com.itheima.controller;

import cn.hutool.core.util.RandomUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.common.R;
import com.itheima.entity.User;
import com.itheima.service.UserService;
import com.itheima.util.SMSUtils;
import com.itheima.util.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.ThreadLocalRandom;

/**
 * @email 1572178030@qq.com
 * @author:黄海宾
 * @date: 2023/2/10  16:23
 */

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;

    /**
     * 发送手机短信验证码
     *
     * @param user
     * @return
     */

    @PostMapping("/sendMsg")
    public R<String> sendMessage(@RequestBody User user, HttpSession session) {
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)) {
            String code = ValidateCodeUtils.generateValidateCode(6).toString(); //生成纯数字的6位验证码
            log.info("code={}", code);

            //调用阿里云提供的短信服务API完成发送短信
            SMSUtils.sendMessage("阿里云短信测试", "SMS_154950909", phone, code);

            //需要将生成的验证码保存到Session
            session.setAttribute(phone, code);
            return R.success("手机验证码短信发送成功");
        }
        return R.error("短信发送失败");

    }

    /**
     * 移动端用户登录
     *
     * @param map
     * @param session
     * @return
     */

    @PostMapping("/login")
    public R<String> login(@RequestBody Map map, HttpSession session) {
        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从Session中获取保存的验证码
        Object codeInSession = session.getAttribute(phone);

        //进行验证码的比对（页面提交的验证码和Session中保存的验证码比对）
        if (codeInSession != null && codeInSession.equals(code)) {
            //如果能够比对成功，说明登录成功
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone, phone);

            User user = userService.getOne(queryWrapper);

            if (user == null) {
                //判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user", user.getId());
            return R.success("登录成功");
        }
        return R.error("登录失败");
    }

/*    @PostMapping("/loginout")
    public R<String> loginout(HttpSession session) {
        session.removeAttribute("phone");
        return R.success("退出成功");
    }*/

    @PostMapping("/loginout")
    public R<String> loginout(HttpServletRequest request) {
        request.getSession().removeAttribute("phone");
        return R.success("退出成功");
    }
}
